what are pure substance ? Give two example of pure substances.

what is the other name for impure substances? Give two example of impure substance .

What is a pure substance?

Define pure substance.

What are ergastic substances? Give two examples.

What are diamagnetic substances? Give two examples of this substance. What causes diamagnetism in a substance?

Pure substance can be

All pure substances have

Give any two characters of a pure substance.